GitHub Contribution Chart Generator · Domain Security

Github Contribution Chart Generator Domain Security

Domain security

Domain security posture for GitHub Contribution Chart Generator, probed live across 1 host(s) and 1 registrable domain(s). 1 host(s) serve HTTPS (up to TLSv1.3); 1 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=reject).

Open Source ProjectsPublic APIs

Transport & Host Security

github-contributions.vercel.app
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 26 13:27:56 2026 GMT

Domain (DNS/Email) Security

vercel.app
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes

Source

Domain Security

github-contribution-chart-generator-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: github-contributions.vercel.app
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 26 13:27:56 2026 GMT
  hsts: true
  hsts_max_age: 63072000
domains:
- domain: vercel.app
  dnssec: false
  caa:
  - 0 issue "pki.goog"
  - 0 issue "letsencrypt.org"
  spf: true
  dmarc: true
  dmarc_policy: reject